V-Lab
Jinbei Automotive Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 8th, 2026
1 Day
48.19%
decreased by 2.40%
1 Week
48.36%
decreased by 2.23%
1 Month
48.91%
decreased by 1.68%
Analysis last updated: Thursday, October 1, 2026 at 06:40 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 24, 1992 to Sep 30, 2026Model Insight
Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 17-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3958 | 5.41*** |
| αARCH | 0.1065 | 4.38*** |
| βGARCH | 0.8610 | 47.12*** |
| γleverage | -0.0134 | -0.40 |
0.961
Persistence17d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3958 | 5.41*** |
α ARCH Response to squared shocks | 0.1065 | 4.38*** |
β GARCH Volatility persistence | 0.8610 | 47.12*** |
γ leverage Additional response to negative shocks | -0.0134 | -0.40 |
Persistence:
0.961
Half-life:
17 days
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